Synopsis: Dramatic Irony

Would you be able to provide me with a joyful conclusion? Risa is deeply in love with her childhood friend, Chihiro. Despite their strong bond, which is often mistaken as romantic, Chihiro is completely oblivious to Risa's true feelings and instead accepts a love confession from a different girl. Devastated by the loss of her first love, Risa confides in her seemingly apathetic homeroom teacher, Natsuo.